TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 3. Transmission System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
26. Transmission Control (Shift 5. Check ECM.
1. If each combination of contacts is
(a) Turn battery disconnect switch to
grounded, ET screen displays
Lever) Will Not Engage
OFF position (TM 5-3805-290-
corresponding shifter position.
Transmission - Continued.
10).
2. If one combination of contacts does not
(b) Based on information in Table 5,
cause proper status to be displayed,
clean contacts for ECM harness
Machine ECM Connector Pin
Assignments (WP 0009 00),
connectors.
remove corresponding wires from
machine ECM harness connectors
J1 and J2. Also, use shifter
schematic for reference. After
removing all wires shown in
Table 5 (WP 0009 00), place DT
sockets into connectors and wire
sockets so they can be connected
to frame ground individually. Be
sure wires cannot accidentally
touch frame ground.
(c) Turn battery disconnect switch to
ON position. Power up machine
with key in RUN position (TM 5-
3805-290-10) and connect and
start up ET software MSD.
(d) Select powertrain ECM and go to
status screen 4.
(e) Monitor status of shifter on MSD.
0008 00-73
